Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 26, Problem 15TYK
Summary Introduction
Introduction: A shared derived character is specifically shared from a common ancestor to other species that also share that character. But the character is not shared to the ancestor of that specific common ancestor.
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Monophyletic groups are desirable in classification as they
Select one:
a.reflect evolutionary relationships
b. minimise name changes from old to new classifications
c. result in fewer groups and are therefore more parsimonious
A taxonomic group that contains species that have similar phenotypes due to convergent evolution is
a. paraphyletic.
b. monophyletic.
c. polyphyletic.
d. a good cladistic group.
A good “phylogenetic” species is one that is
A. The smallest diagnosable cluster of organisms within which there is a pattern of ancestry and descent
B. The most inclusive population of individuals having the potential for phenotypic cohesion through intrinsic cohesion mechanisms.
C. Morphologically distinctive from other groups of organisms
D. An actually or potentially interbreeding group that is reproductively isolated from other such groups.
Chapter 26 Solutions
Study Guide for Campbell Biology
Ch. 26 - a. In this hypothetical phylogenetic tree, which...Ch. 26 - What two complications may make it difficult to...Ch. 26 - Place the taxa (outgroup. A, B, C, and D) on the...Ch. 26 - Prob. 4IQCh. 26 - a. Give an example of genes that would be compared...Ch. 26 - Prob. 6IQCh. 26 - Prob. 7IQCh. 26 - Prob. 1SYKCh. 26 - Prob. 2SYKCh. 26 - Prob. 3SYK
Ch. 26 - Related families are grouped into the next-highest...Ch. 26 - Prob. 2TYKCh. 26 - Prob. 3TYKCh. 26 - Prob. 4TYKCh. 26 - Prob. 5TYKCh. 26 - Prob. 6TYKCh. 26 - Prob. 7TYKCh. 26 - Prob. 8TYKCh. 26 - A taxon such as the class Reptiliawhich includes...Ch. 26 - You wish to study evolutionary relationships among...Ch. 26 - Prob. 11TYKCh. 26 - Prob. 12TYKCh. 26 - Prob. 13TYKCh. 26 - Prob. 14TYKCh. 26 - Prob. 15TYKCh. 26 - Which of the following approaches would allow a...Ch. 26 - A comparative study of which of the following...Ch. 26 - Prob. 18TYKCh. 26 - Which of the following segments of DNA would...Ch. 26 - Which of the following is the best description of...Ch. 26 - Prob. 21TYK
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- In taxonomy, what traits have been used to classify species? Select all that apply. A. Differences in DNA sequences B. Anatomical features C. Geographic distributions D. Differences in atomic structurearrow_forwardSpecies recognized by the phylogenetic species concept a. sometimes also would be recognized as species by the biological species concept. b. are sometimes paraphyletic. c. are characterized by symplesiomorphies. d. are more frequent in plants than in animals.arrow_forwardAn approach that is used to construct a phylogenetic tree is a. cladistics and the principle of parsimony. b. phenetics. c. maximum likelihood or Bayesian methods. d. all of the above.arrow_forward
- Which of the following is true regarding the way we define clades with characters? Select one: a. Autapomorphies are good characters to use because they describe every lineage of the clade and no other lineages b. Plesiomorphies are good characters to use because they describe every lineage of the clade and no other lineages c. Synapomorphies are good characters to use because they describe every lineage of the clade and no other lineages Please give me the correct answer quickly I will give you upvotearrow_forwardWhich of the following is TRUE about a phylogenetic tree? It provides a drawing the reflects the proven relationships between living and extinct species. b It provides a hypothetical model of the relationships between extinct species. c It provides a hypothetical model of the relationships between living and extinct species. d It a diagram used by scientists that provides a model of evolutionary relationships without the need for scientific data.arrow_forwardPhylogeny refers to the evolutionary descent of taxa. It refers to the relationship between ancestors and descendants and relationships among descendant taxa. It shows the lineage of taxa which can be summarized in a branching diagram called a phylogenetic tree.a. express some basic evolutionary relationships among groups of microorganisms, plants, and animals; b. illustrate the relationship of organisms with their environment; and c. analyze environmental factors contributing to biodiversity richness and lossarrow_forward
- A branch points on a phylogenetic tree is where scientists that study systematics place a groups organisms that share the formation of a new character. b organisms that have not yet diverged. c the emergence of a new genus. d the root of a phylogeny.arrow_forwardIn a phylogenetic tree, Species 1 and 2 are distantly related to one another but are both darkly pigmented. Species 3 which is unpigmented is a sister taxon to Species 2. The common ancestor to all three species is darkly pigmented; thus, this trait in the phylogeny is considered to be a - A. homoplasy. B. synapomorphy. C. apomorphy. D. symplesiomorphy.arrow_forward1. Which describes the modern classification system?a. based on evolutionary relationshipsb. called Linnean classificationc. based on similar appearancesd. called Darwinian classification2. If two organisms are in the same clade, what can you predict about theirrelationship?a. They are not closely related.b. They share a common ancestor.c. They compete for resources.d. One organism evolved into the other organism. 3.Which best describes traditional classification?a. It is based on shared characteristics.b. It is based on evolutionary relationships.c. It is called phylogenetic classification.d. It is called cladisticsarrow_forward
- Which of the following are true about outgroups? a. They help identify plesiomorphic traits in the phylogeny b. They are a taxa that is known to not be within the species group in question c. They do not have any autapomorphic traits d. They are less evolved than the species of interestarrow_forwardWhich of the following serves as an advantage to using numerical taxonomy? a. Trait choices are arbitrary. b. All traits are weighed equally against one another. c. Visual traits, like cell cell shape and size, are the most important criteria for determining similarity between species. d. Traits and activities of different bacteria are informative, and considered with this approach.arrow_forwardBased on cladistic analysis: O a. paraphyletic and monophyletic groups are equally valid. b. a shared derived trait that unites birds is feathers. c. it is generally easier to identify the later as compared to the earlier members of a natural group. d. Two of the above are correct. e. None of the above is correct.arrow_forward
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